- Diameter DN25 to DN1200, PN10, 16 and 25
BFL
Area of application
Water Management, Industries, Power-Plants, Ship-building and more
Product attributes
Wafer type butterfly valve with con-centric design
Replaceable, resilient seat, rubber fusion bonded on support ring
Streamlined disc, one-piece stem
Face-to-face dimension to EN 558-1, Series 20 (DIN 3202/K1)
Approved and registered by DVGW
DN25 and DN 32 deviant construction
Material and corrosion protection
Body materials: EN-JL 1040 (GG-25); EN-JS 1030 (GGG-40); EN-JS 1049 (GGG 40.3)
Galvanized and chromated or cast steel (GS-C 25); respectively stainless steel (1.4408) or
Alu-Bronce;
Disc materials: stainless steel (1.4408) or EN-JS 1030 (GGG-40) with various coating options or
Alu-Bronce, other materials on request
One-Piece stem of various stainless steel materials
Body epoxy coated
Seat materials: EPDM, NBR, Viton, other materials on request
Actuation
Hand lever
Worm-gear/hand-wheel
Electric-actuator
Pneumatic-actuator
Hydraulic-actuator
